It's not foxy and it's not sexy... sesy might be a person's name but the .net kills it because the name have nothing to do with networks.
Think about this: How good is a typo when the one with correct spelling is parked? You probably can get $xx range since it's 4 letter acronym and pronounceable.
Nice typo. It sounds nice too. I'd say mid $xx. This is, of course, only my humble opinion. If you like it, thank me right now. If you don't like it, you can thank me later.